diff --git a/packages/block-editor/src/components/block-navigation/style.scss b/packages/block-editor/src/components/block-navigation/style.scss
index f0b21fa773c0f..c1296a59967ac 100644
--- a/packages/block-editor/src/components/block-navigation/style.scss
+++ b/packages/block-editor/src/components/block-navigation/style.scss
@@ -40,7 +40,7 @@
 		padding: $grid-unit-10 $grid-unit-15;
 		text-align: left;
 		color: $gray-900;
-		border-radius: 2px;
+		border-radius: 0;
 		position: relative;
 		white-space: nowrap;